Abstract
Six methods for detecting leaks in hermetically sealed ampuls were studied. The results indicated that the autoclave-dye method was the most selective of those studied. An outstanding advantage of this method is that heat-sterilizable ampuls are sterilized and tested for leaks simultaneously, thus eliminating one step in processing. It was found that dye immersion has no effect on the autoclave time required for sterilization of a batch of one thousand 1-cc. ampuls. Other leak-detecting methods studied were: vacuum-dye, pressure-dye, fluorescent penetrant solutions, external air pressure, and dye immersion after autoclaving. The attributes and limitations of each of these are discussed. Also included is a discussion, with photographs, of physical characteristics of ampul leakers.
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